#include<cstdio>
#include<algorithm>
#include<memory.h>
#define INF 987654321
using namespace std;
int n;
int a[2222][2222];
int d[2222][2222];
int f(int x,int y){
if(x>=n||y>=n)return INF;
if(x==n-1&&y==n-1)return 0;
int& ret=d[x][y];
if(ret!=-1)return ret;
ret=min(f(x+1,y)+max(a[x+1][y]-a[x][y]+1,0),f(x,y+1)+max(a[x][y+1]-a[x][y]+1,0));
return ret;
}
int main(){
scanf("%d",&n);
memset(d,-1,sizeof(d));
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
scanf("%d",&a[i][j]);
printf("%d",f(0,0));
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 2 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 3 |
Correct |
12 ms |
39660 KB |
Output is correct |
| 4 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 5 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 6 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 7 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 8 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 9 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 10 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 11 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 12 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 13 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 14 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 15 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 16 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 17 |
Correct |
4 ms |
39660 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 2 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 3 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 4 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 5 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 6 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 7 |
Correct |
12 ms |
39660 KB |
Output is correct |
| 8 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 9 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 10 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 11 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 12 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 13 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 14 |
Correct |
12 ms |
39660 KB |
Output is correct |
| 15 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 16 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 17 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 18 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 19 |
Correct |
0 ms |
39660 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 2 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 3 |
Correct |
12 ms |
39660 KB |
Output is correct |
| 4 |
Correct |
16 ms |
39660 KB |
Output is correct |
| 5 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 6 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 7 |
Correct |
16 ms |
39660 KB |
Output is correct |
| 8 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 9 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 10 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 11 |
Correct |
16 ms |
39660 KB |
Output is correct |
| 12 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 13 |
Correct |
12 ms |
39660 KB |
Output is correct |
| 14 |
Correct |
12 ms |
39660 KB |
Output is correct |
| 15 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 16 |
Correct |
12 ms |
39660 KB |
Output is correct |
| 17 |
Correct |
12 ms |
39660 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1000 ms |
39812 KB |
Output is correct |
| 2 |
Incorrect |
964 ms |
39812 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
